CN105478706A - Method and device for preparing large-size solidified metastable sheets through centrifugal casting - Google Patents
Method and device for preparing large-size solidified metastable sheets through centrifugal casting Download PDFInfo
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- CN105478706A CN105478706A CN201510977232.7A CN201510977232A CN105478706A CN 105478706 A CN105478706 A CN 105478706A CN 201510977232 A CN201510977232 A CN 201510977232A CN 105478706 A CN105478706 A CN 105478706A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/04—Centrifugal casting; Casting by using centrifugal force of shallow solid or hollow bodies, e.g. wheels or rings, in moulds rotating around their axis of symmetry
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
- B22D13/107—Means for feeding molten metal
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Abstract
The invention discloses a method and device for preparing large-size solidified metastable sheets through centrifugal casting. The large-size and high-compactness solidified metastable sheets with the maximum thickness ranging from 0.5 mm to 8 mm and the size not smaller than 60 mm*100 mm can be prepared by improving the mold-filling capacity and the feeding capacity of flux through the centrifugal force. According to the invention, cast material is placed in heating space formed by a smelting furnace and a bottom baffle; a rotating plate is driven to rotate, and the cast material is heated and fused after the rotation speed is stabilized; the cast material is heated to the molten state, then the baffle is pulled, molten metal is guided by a flow guide component under the effect of gravity, then enters a mold and is formed in the mold rotating at high speed through the centrifugal effect, and sheet castings can be obtained after the mold is stripped. The device is simple in structure, high in disassembly and assembly flexibility and easy to operate, the mold-filling capacity of equipment can be effectively improved, and the centrifugal casting sheets high in compactness of the internal structure and complete and good in shape can be obtained.
Description
Technical field
The present invention relates to one and solidify thin plate preparation method, particularly relate to a kind of method that thin plate is prepared in spun casting, be applied to high-performance metal materials casting technology field.
Background technology
Generally speaking, under quick and Sub realizable fuzzy matrix condition, cooling velocity makes cast structure refinement faster, segregation reduces, and can generate metastable phase, and metastable phase has stable mutually unexistent microstructure and performance, become the study hotspot of development high-performance engineering material.And the vacuum casting device preparing metastable plate-shaped foundry goods is at present suction pouring or spray to cast mostly, by electric arc melting or solenoid eddy-current heating, rapidly by ingot melting, then arrange in pairs or groups static weight casting and pressure reduction for it.But traditional casting method because of pressure reduction or mold-filling capacity less, make Filling Processes of Castings sufficiently complete, or can bubble be involved in cavity filling process, produce the casting flaw such as shrinkage porosite, shrinkage cavity, and make cast(ing) surface pattern and interior solid degree not ideal enough, thus affect the performance of foundry goods.Moreover, during the thin plate fast and under Sub realizable fuzzy matrix condition using conventional method to prepare, because melting parts cannot fill the reasons such as type power is less, copper mold cavity dimension is less under enough casting material, gravity and the differential pressure action of melting, the Cast Thin Sheet of large-size therefore cannot be prepared.
Summary of the invention
In order to solve prior art problem, the object of the invention is to the deficiency overcoming prior art existence, there is provided a kind of spun casting to prepare method and apparatus that large scale solidifies metastable thin plate, obtains external dimensions large scale that is complete, internal structure density and solidifies metastable plate-shaped foundry goods.The inventive method is directly used for preparing large scale high-performance engineering material, high-entropy alloy and large scale non-crystalline material thin plate, and quick its microstructure and mechanical property of metastable engineering material in Asia prepared by the inventive method has reproducible advantage.
Creating object for reaching foregoing invention, adopting following technical proposals:
The method that large scale solidifies metastable thin plate is prepared in a kind of spun casting; under vacuum conditions or at protective atmosphere pressure not higher than under the inert gas environment of 0.07MPa; adopt centrifugal casting process; molten alloy is entered after water conservancy diversion the mould of High Rotation Speed; utilize operating on centrifugal force; what obtain solidification of metal melt fills type power and feeding capacity, thus prepares thickness and be 0.5 ~ 8mm and length dimension is not less than the plate-shaped foundry goods of 100mm.
As the preferred technical scheme of the present invention, metal bath melting preparation process completes in inert protective gas atmosphere.
As preferred technical scheme further in such scheme of the present invention, metal bath melting preparation process completes in argon shield gas atmosphere.
As preferred technical scheme further in such scheme of the present invention, be used for preparing high-performance engineering material or metastable engineering material, or be used for preparing high-entropy alloy thin plate or amorphous alloy material thin plate.
The present invention also provides a kind of large scale to solidify the casting apparatus of metastable thin plate, primarily of arranging smelting apparatus and centrifugal casting equipment composition in the internal chamber of sealed compartment, vacuum state or atmosphere pressures is in not higher than the inert gas environment state of 0.07MPa in sealed compartment, centrifugal casting equipment is by mouth of a river baffle plate, graphite funnel, guiding device, type cavity mould and rolling disc are formed, the minimum altitude of type cavity mould inner chamber is 0.5 ~ 8mm, the horizontal length size of type cavity mould inner chamber is not less than 100mm, the bottom of vertical rotating shaft through sealed compartment is set, vertical rotating shaft is driven to rotate in sealed compartment outside by motor, the top of vertical rotating shaft integrally connects horizontally disposed rolling disc, type cavity mould is fixedly mounted on rolling disc, make type cavity mould and vertical rotating shaft synchronous axial system, smelting apparatus adopts and vertically arranges and the smelting furnace of furnace chamber bottom opening, graphite funnel is arranged on below the furnace chamber bottom opening of smelting furnace, the bottom opening of graphite funnel is arranged at the inner chamber of the fluid course of guiding device, the fluid course bottom of guiding device and the inner cavity top open communication of type cavity mould, make tube chamber in graphite funnel, the fluid course of guiding device and the inner chamber of type cavity mould form the conveyance conduit of metal bath and solidify working chamber, when smelting furnace carries out melting to raw metal, the furnace chamber bottom opening of mouth of a river baffle plate to smelting furnace is closed, the inwall of smelting furnace and mouth of a river baffle combination is made to form the crucible loading metal bath, when the complete melting of the raw metal in smelting furnace and the mobility of metal bath formed reaches casting when requiring, mouth of a river baffle plate is opened, the furnace chamber bottom opening of smelting furnace is opened, metal bath is made to flow out bottom smelting furnace under gravity, successively by graphite funnel and guiding device, flow in type cavity mould, type cavity mould High Rotation Speed produces operating on centrifugal force to the metal bath flowing into type cavity mould, what make metal bath acquisition solidification of metal melt fills type power and feeding capacity, realize the spun casting of sheet metal, after in type cavity mould, metal bath completes process of setting, the dish that stops operating slowly rotates, then type cavity mould is opened, namely centrifugally cast interior solid degree is obtained high, defect is few, large-sizedly solidify metastable thin plate.The present invention utilizes the feature of its thin plate Sub realizable fuzzy matrix can directly be used for preparing large scale high-performance engineering material, high-entropy alloy and large scale non-crystalline material thin plate, and quick its microstructure and mechanical property of metastable engineering material in Asia prepared by the method has reproducible advantage.
As preferred technical scheme further in such scheme of the present invention, the operating on centrifugal force produced when carrying out control type cavity mould High Rotation Speed by any several the parameters controlled in the power output of motor, controlling rotation speed of main shaft of motor and electric machine main shaft rotation direction, so regulation and control metal bath obtain solidification of metal melt fill type power and feeding capacity.
As preferred technical scheme further in such scheme of the present invention, mouth of a river baffle plate is drawing and pulling type baffle plate.
As preferred technical scheme further in such scheme of the present invention, type cavity mould adopts red copper mould.
During spun casting of the present invention, molten metal is cast in the mould of rotation, at centrifugal effect compacted under, solidifies and obtain foundry goods.The present invention by molten metal bath by entering mould after water conservancy diversion, according to centrifugal force computing formula F
from=mw
2r, if use 900r/min, then in mould, centrifugal force can realize about 1200 times of gravity, obtain and fill type power and feeding capacity much larger than conventional method, the centrifugal force produced because copper mold rotates can make the cavity filling process of foundry goods more desirable, be conducive to improving the feeding capacity of foundry goods in cavity filling process, and the casting material of more multimass can be filled with, the large scale foundry goods that acquisition quality, density are all high.The thin plate sample utilizing the inventive method to prepare has the feature of Sub realizable fuzzy matrix, can simulate two rod thin band continuous casting technique in industrial production in laboratory conditions, and study twin-roll thin strip Microstructure and properties.
The present invention compared with prior art, has following apparent outstanding substantive distinguishing features and remarkable advantage:
1. coil-induced for water-cooled electromagnetic heating and spun casting combine with technique are got up by the present invention, the vacuum low-pressure casting achieving foundry goods is shaping, and provide a kind of feasible casting technique means newly for Sub realizable fuzzy matrix technology obtains high-quality foundry goods, achieve the preparation of large-scale sheet shaped cast part under Sub realizable fuzzy matrix condition;
2. the present invention adopts centre spinning method, the mold-filling capacity of casting material in mold cavity can be significantly improved, be conducive to improving surface quality of continuous castings, and the generation of the casting flaws such as Shrinkage cavity can be suppressed, obtain with spray to cast or inhale compared with casting, size is larger, performance is better, the large-scale sheet foundry goods that structure is finer and close.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram that the embodiment of the present invention one large scale solidifies the casting apparatus of metastable thin plate.
Fig. 2 is the metastable sheet size of FeMnAlC large scale and the surface state figure of the embodiment of the present invention one preparation.
Fig. 3 is the mechanical performance data figure of the metastable thin plate of large scale of FeMnAlC system alloy prepared by the embodiment of the present invention one.
Detailed description of the invention
Details are as follows for the preferred embodiments of the present invention:
embodiment one:
In the present embodiment, see Fig. 1 ~ 3, a kind of large scale solidifies the casting apparatus of metastable thin plate, primarily of arranging smelting apparatus and centrifugal casting equipment composition in the internal chamber 5 of sealed compartment 4, the inert gas shielding atmosphere state that pressure is 0.07MPa is in sealed compartment 4, centrifugal casting equipment is by mouth of a river baffle plate 1, graphite funnel 6, guiding device 7, type cavity mould 8 and rolling disc 9 are formed, type cavity mould 8 adopts red copper mould, mouth of a river baffle plate 1 is drawing and pulling type baffle plate, the minimum altitude of type cavity mould 8 inner chamber is 2.5mm, the rectangular plate-like cavity of type cavity mould 8 inner chamber to be horizontal length size be 60mm × 100mm, the bottom of vertical rotating shaft 10 through sealed compartment 4 is set, vertical rotating shaft 10 is driven to rotate in sealed compartment 4 outside by motor, the top of vertical rotating shaft 10 integrally connects horizontally disposed rolling disc 9, type cavity mould 8 is fixedly mounted on rolling disc 9, make type cavity mould 8 and vertical rotating shaft 10 synchronous axial system, smelting apparatus adopts and vertically arranges and the smelting furnace 2 of furnace chamber bottom opening, graphite funnel 6 is arranged on below the furnace chamber bottom opening of smelting furnace 2, the bottom opening of graphite funnel 6 is arranged at the inner chamber of the fluid course of guiding device 7, the fluid course bottom of guiding device 7 and the inner cavity top open communication of type cavity mould 8, make tube chamber in graphite funnel 6, the fluid course of guiding device 7 and the inner chamber of type cavity mould 8 form the conveyance conduit of metal bath 3 and solidify working chamber, when the metal casting material of smelting furnace 2 to preparation FeMnAlC system alloy carries out melting, the furnace chamber bottom opening of mouth of a river baffle plate 1 pair of smelting furnace 2 is closed, the inwall of smelting furnace 2 and mouth of a river baffle plate 1 is made to be combined to form the sealed crucible loading metal bath 3, and make the raw metal in smelting furnace 2 carry out melting in argon inert protective gas atmosphere, when the complete melting of the raw metal in smelting furnace 2 and the mobility of metal bath 3 formed reaches casting when requiring, mouth of a river baffle plate 1 is opened, the furnace chamber bottom opening of smelting furnace 2 is opened, metal bath 3 is made to flow out bottom smelting furnace 2 under gravity, successively by graphite funnel 6 and guiding device 7, flow in type cavity mould 8, type cavity mould 8 High Rotation Speed produces operating on centrifugal force to the metal bath 3 flowing into type cavity mould 8, what make metal bath 3 obtain solidification of metal melt fills type power and feeding capacity, realize the spun casting of sheet metal, after in type cavity mould 8, metal bath 3 completes process of setting, the dish 9 that stops operating slowly rotates, then type cavity mould 8 is opened, namely the large scale obtaining the FeMnAlC system alloy being of a size of 2.5mm × 60mm × 100mm after type is filled in spun casting solidifies metastable Cast Thin Sheet, see Fig. 2.
In the present embodiment, casting method is: install after large scale solidifies the casting apparatus of metastable thin plate, vacuumize in sealed compartment 4, the casting material configured is positioned on the mouth of a river baffle plate 1 of drawing and pulling type, as melting kettle Fe-20%Mn-9%Al-0.8%C alloy cast material being covered in inside with quartz ampoule again and insert in smelting furnace 2, guaranteeing that casting material can not flow out when being heated to molten condition; And then be filled with a certain amount of argon atmosphere after high vacuum is extracted in the furnace cavity of smelting furnace 2 inside, and be evacuated in sealed compartment 4, then open variable-frequency motor, drive rolling disc 9 to rotate; When after rolling disc 9 stabilization of speed, by the casting material in smelting furnace 2 by heater coil eddy-current heating to molten condition, after determining casting material good fluidity, pull rapidly the handle of mouth of a river baffle plate 1, stop heating subsequently, metal bath 3 gravitate of melting crashes into graphite funnel 6, in the red copper die for molding of High Rotation Speed after guiding device 7 water conservancy diversion.After the vacuum drying oven inside cavity cooling of smelting furnace 2, open sealed compartment 4, retract red copper top cover die, just can obtain the Cast Thin Sheet of the FeMnAlC system alloy being of a size of 2.5mm × 60mm × 100mm after filling type.Be the centrifugal thin plate photo of FeMnAlC system alloy large size using the present embodiment method to prepare shown in Fig. 2, be of a size of 2.5mm × 60mm × 80mm, can see that surface topography is good, and there is no casting flaw.
Be the mechanical curves under the Fe-20%Mn-9%Al-0.8%C latten as cast condition using the present embodiment method to prepare shown in Fig. 3, yield strength is about 600Mpa, and tensile strength is about 950Mpa, and plasticity is about 46%; Without under any Technology for Heating Processing, still there is good mechanical property.
The present embodiment solidifies in metastable thin plate spun casting process, is placed in the heating space be made up of quartz ampoule and bottom pull base plate by casting material.First the casting room of smelting furnace 2 and sealed compartment 4 inside is evacuated to high vacuum, is repeatedly filled with pure argon gas and gas washing is carried out to device interior, after completing gas washing, be evacuated to high vacuum, fill pure argon gas subsequently and argon shield is carried out to equipment workspace.Drive rolling disc 9 to rotate, after stabilization of speed, by high frequency electric source coil, heating and melting is carried out to casting material.Pull baffle plate handle is twitched after casting material is heated to molten condition, make the molten metal of molten state under gravity by entering in red copper mould after diversion component water conservancy diversion, again by centrifugal action, make foundry goods in the die for molding of High Rotation Speed, after retracting type cavity mould 8, can Cast Thin Sheet be obtained.The inventive method and involved device framework composition are simply, disassembly and assembly flexibility ratio is high, be easy to operation, effectively can improve the mold-filling capacity of equipment, obtain internal structure density, shape is well complete, and thickness is at 0.5 ~ 8mm, and be not less than the centrifugal thin plate of large scale that size reaches 60mm × 100mm.The thin plate utilizing the present embodiment method to prepare has Sub realizable fuzzy matrix, internal structure densification, large-sized feature, directly can be used for preparation and exploitation high-performance engineering material or metastable engineering material, and the Cast Thin Sheet of preparation directly can be used for studying the structure and properties of Sub realizable fuzzy matrix sample.
embodiment two:
The present embodiment is substantially identical with embodiment one, and special feature is:
In the present embodiment, prepare zirconium-base amorphous alloy spun casting plate-shaped foundry goods, the process of melting and casting is all complete under argon shield gas.Be filled with a certain amount of argon atmosphere after high vacuum is extracted in sealed compartment 4 inside, the centrifugal casting process of employing is identical with embodiment one, finally obtains being of a size of 2.5mm × 60mm × 80mm zirconium-base amorphous alloy Cast Thin Sheet.Zirconium-base amorphous alloy Cast Thin Sheet surface topography prepared by the present embodiment is good, and does not have casting flaw, and shows excellent non-crystaline amorphous metal performance, without under any Technology for Heating Processing, still has good mechanical property.
By reference to the accompanying drawings the embodiment of the present invention is illustrated above; but the invention is not restricted to above-described embodiment; multiple change can also be made according to the object of innovation and creation of the present invention; change, the modification made under all Spirit Essences according to technical solution of the present invention and principle, substitute, combination or simplify; all should be the substitute mode of equivalence; as long as goal of the invention according to the invention; only otherwise deviating from spun casting of the present invention prepares know-why and the inventive concept that large scale solidifies the method and apparatus of metastable thin plate, all protection scope of the present invention is belonged to.
Claims (8)
1. the method that large scale solidifies metastable thin plate is prepared in a spun casting; it is characterized in that: under vacuum conditions or at protective atmosphere pressure not higher than under the inert gas environment of 0.07MPa; adopt centrifugal casting process; molten alloy is entered after water conservancy diversion the mould of High Rotation Speed; utilize operating on centrifugal force; what obtain solidification of metal melt fills type power and feeding capacity, thus prepares thickness and be 0.5 ~ 8mm and length dimension is not less than the plate-shaped foundry goods of 100mm.
2. the method that large scale solidifies metastable thin plate is prepared in spun casting according to claim 1, it is characterized in that: metal bath melting preparation process completes in inert protective gas atmosphere.
3. the method that large scale solidifies metastable thin plate is prepared in spun casting according to claim 2, it is characterized in that: metal bath melting preparation process completes in argon shield gas atmosphere.
4. prepare according to spun casting described in any one in claims 1 to 3 the method that large scale solidifies metastable thin plate, it is characterized in that: be used for preparing high-performance engineering material or metastable engineering material, or be used for preparing high-entropy alloy thin plate or amorphous alloy material thin plate.
5. a large scale solidifies the casting apparatus of metastable thin plate, primarily of arranging smelting apparatus and centrifugal casting equipment composition in the internal chamber (5) of sealed compartment (4), it is characterized in that: in described sealed compartment (4), be in vacuum state or atmosphere pressures not higher than the inert gas environment state of 0.07MPa, described centrifugal casting equipment is by mouth of a river baffle plate (1), graphite funnel (6), guiding device (7), type cavity mould (8) and rolling disc (9) are formed, the minimum altitude of described type cavity mould (8) inner chamber is 0.5 ~ 8mm, the horizontal length size of described type cavity mould (8) inner chamber is not less than 100mm, the bottom of vertical rotating shaft (10) through described sealed compartment (4) is set, described vertical rotating shaft (10) is driven to rotate in described sealed compartment (4) outside by motor, the top of described vertical rotating shaft (10) integrally connects horizontally disposed described rolling disc (9), described type cavity mould (8) is fixedly mounted on described rolling disc (9), make described type cavity mould (8) and described vertical rotating shaft (10) synchronous axial system, described smelting apparatus adopts and vertically arranges and the smelting furnace (2) of furnace chamber bottom opening, described graphite funnel (6) is arranged on below the furnace chamber bottom opening of described smelting furnace (2), the bottom opening of described graphite funnel (6) is arranged at the inner chamber of the fluid course of described guiding device (7), the fluid course bottom of described guiding device (7) and the inner cavity top open communication of described type cavity mould (8), make the interior tube chamber of described graphite funnel (6), the fluid course of described guiding device (7) and the inner chamber of described type cavity mould (8) form the conveyance conduit of metal bath (3) and solidify working chamber, when described smelting furnace (2) carries out melting to raw metal, the furnace chamber bottom opening of described mouth of a river baffle plate (1) to described smelting furnace (2) is closed, the inwall of described smelting furnace (2) and mouth of a river baffle plate (1) is made to be combined to form the sealed crucible loading metal bath (3), and make the raw metal in described smelting furnace (2) carry out melting in inert protective gas atmosphere, when the complete melting of raw metal in described smelting furnace (2) and the mobility of metal bath (3) formed reaches casting when requiring, described mouth of a river baffle plate (1) is opened, the furnace chamber bottom opening of described smelting furnace (2) is opened, metal bath (3) is made to flow out from described smelting furnace (2) bottom under gravity, successively by described graphite funnel (6) and described guiding device (7), flow in described type cavity mould (8), described type cavity mould (8) High Rotation Speed produces operating on centrifugal force to the metal bath (3) flowing into described type cavity mould (8), what make metal bath (3) acquisition solidification of metal melt fills type power and feeding capacity, realize the spun casting of sheet metal, after in described type cavity mould (8), metal bath (3) completes process of setting, the described rolling disc of slow stopping (9) rotates, then described type cavity mould (8) is opened, namely obtain centrifugally cast large scale and solidify metastable thin plate.
6. large scale solidifies the casting apparatus of metastable thin plate according to claim 5, it is characterized in that: the operating on centrifugal force produced when controlling described type cavity mould (8) High Rotation Speed by any several the parameters controlled in the power output of motor, controlling rotation speed of main shaft of motor and electric machine main shaft rotation direction, so regulation and control metal bath (3) obtain solidification of metal melt fill type power and feeding capacity.
7. according to claim 5 or 6, large scale solidifies the casting apparatus of metastable thin plate, it is characterized in that: described mouth of a river baffle plate (1) is drawing and pulling type baffle plate.
8. according to claim 5 or 6, large scale solidifies the casting apparatus of metastable thin plate, it is characterized in that: described type cavity mould (8) adopts red copper mould.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510977232.7A CN105478706A (en) | 2015-12-23 | 2015-12-23 | Method and device for preparing large-size solidified metastable sheets through centrifugal casting |
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| CN201510977232.7A CN105478706A (en) | 2015-12-23 | 2015-12-23 | Method and device for preparing large-size solidified metastable sheets through centrifugal casting |
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| CN201510977232.7A Pending CN105478706A (en) | 2015-12-23 | 2015-12-23 | Method and device for preparing large-size solidified metastable sheets through centrifugal casting |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903919A (en) * | 2016-05-04 | 2016-08-31 | 上海大学 | Device and method for preparing samples with wide cooling speed range in high throughput mode through centrifugal casting |
| CN106984788A (en) * | 2017-02-10 | 2017-07-28 | 上海大学 | The apparatus and method that mould, die assembly with ladder-type structure die cavity, high flux prepare wide cooling rate scope sample |
| CN107537990A (en) * | 2017-07-05 | 2018-01-05 | 上海大学 | A kind of quick liquid condition shaping method of La-Fe-Si systems light sheet |
| CN108213378A (en) * | 2018-02-08 | 2018-06-29 | 重庆勇略商贸有限公司 | The centrifugal casting equipment of vehicle casing tube |
| CN110421132A (en) * | 2019-09-05 | 2019-11-08 | 中擎电机有限公司 | A kind of aluminium casting motor Casting Equipment |
| CN112705677A (en) * | 2020-12-16 | 2021-04-27 | 辽宁科技大学 | Device and method for rotary casting of metal ingot |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903919A (en) * | 2016-05-04 | 2016-08-31 | 上海大学 | Device and method for preparing samples with wide cooling speed range in high throughput mode through centrifugal casting |
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| CN106984788A (en) * | 2017-02-10 | 2017-07-28 | 上海大学 | The apparatus and method that mould, die assembly with ladder-type structure die cavity, high flux prepare wide cooling rate scope sample |
| CN106984788B (en) * | 2017-02-10 | 2019-06-25 | 上海大学 | The device and method of sample are prepared using centrifugal casting high throughput |
| CN107537990A (en) * | 2017-07-05 | 2018-01-05 | 上海大学 | A kind of quick liquid condition shaping method of La-Fe-Si systems light sheet |
| CN108213378A (en) * | 2018-02-08 | 2018-06-29 | 重庆勇略商贸有限公司 | The centrifugal casting equipment of vehicle casing tube |
| CN110421132A (en) * | 2019-09-05 | 2019-11-08 | 中擎电机有限公司 | A kind of aluminium casting motor Casting Equipment |
| CN112705677A (en) * | 2020-12-16 | 2021-04-27 | 辽宁科技大学 | Device and method for rotary casting of metal ingot |
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